package com.arron.observer;

public class Client {
    public static void main(String[] args) {
        //创建接入方
        CurrentConditions currentConditions =new CurrentConditions();
        //创建WeatherData并将接入方currentConditions传递到WeatherData中
        WeatherData weatherData =new WeatherData(currentConditions);
        //更新天气情况
        weatherData.setData(30, 150, 40);
        //天气情况变化 ，最新天气
        System.out.println("=========天气发生变化=========");
        weatherData.setData(40, 160, 20);

    }
}
